GB1591995A - Audio visual reproduction device - Google Patents
Audio visual reproduction device Download PDFInfo
- Publication number
- GB1591995A GB1591995A GB48305/77A GB4830577A GB1591995A GB 1591995 A GB1591995 A GB 1591995A GB 48305/77 A GB48305/77 A GB 48305/77A GB 4830577 A GB4830577 A GB 4830577A GB 1591995 A GB1591995 A GB 1591995A
- Authority
- GB
- United Kingdom
- Prior art keywords
- information
- group
- information carrier
- tracks
- responsive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000000007 visual effect Effects 0.000 title 1
- 238000006073 displacement reaction Methods 0.000 claims description 28
- 230000003287 optical effect Effects 0.000 claims description 11
- 239000010453 quartz Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 230000005236 sound signal Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 230000001276 controlling effect Effects 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000001020 rhythmical effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
- G11B23/42—Marks for indexing, speed-controlling, synchronising, or timing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Communication System (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2652936A DE2652936C3 (de) | 1976-11-22 | 1976-11-22 | Audiovisuelles Wiedergabegerät |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1591995A true GB1591995A (en) | 1981-07-01 |
Family
ID=5993654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB48305/77A Expired GB1591995A (en) | 1976-11-22 | 1977-11-21 | Audio visual reproduction device |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4144542A (cg-RX-API-DMAC10.html) |
| JP (1) | JPS6053952B2 (cg-RX-API-DMAC10.html) |
| DE (1) | DE2652936C3 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2371836A1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1591995A (cg-RX-API-DMAC10.html) |
| NL (1) | NL189485C (cg-RX-API-DMAC10.html) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2052829B (en) * | 1979-04-27 | 1983-01-12 | Olympus Optical Co | Apparatus for driving objective lens in tracking direction |
| US4283777A (en) * | 1979-05-14 | 1981-08-11 | Xerox Corporation | Optical memory having a parallel read out |
| JPS5753838A (en) | 1980-09-17 | 1982-03-31 | Olympus Optical Co Ltd | Beam position detecting system for recorder and reproducer of optical disk |
| GB8318278D0 (en) * | 1983-07-06 | 1983-08-10 | Kodak Ltd | Disc film scanning apparatus |
| CA1299747C (en) * | 1986-09-20 | 1992-04-28 | Hidefumi Suzuki | Optical recording medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3534166A (en) * | 1967-08-04 | 1970-10-13 | Zenith Radio Corp | Television picture recording and replay system |
| US3946367A (en) * | 1972-12-20 | 1976-03-23 | Videonics Of Hawaii, Inc. | Three dimensional electro-optical retrieval system |
| US3848095A (en) * | 1972-12-20 | 1974-11-12 | I O Metrics Corp | Three dimensional electro-optical retrieval system |
| NL177157C (nl) * | 1975-02-28 | 1985-08-01 | Philips Nv | Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestruktuur. |
| JPS598892B2 (ja) * | 1975-06-19 | 1984-02-28 | ソニー株式会社 | 信号の光学的記録再生装置 |
-
1976
- 1976-11-22 DE DE2652936A patent/DE2652936C3/de not_active Expired
-
1977
- 1977-11-18 NL NLAANVRAGE7712711,A patent/NL189485C/xx not_active IP Right Cessation
- 1977-11-18 FR FR7734739A patent/FR2371836A1/fr active Granted
- 1977-11-21 US US05/853,174 patent/US4144542A/en not_active Expired - Lifetime
- 1977-11-21 GB GB48305/77A patent/GB1591995A/en not_active Expired
- 1977-11-22 JP JP52139520A patent/JPS6053952B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2652936A1 (de) | 1978-05-24 |
| NL7712711A (nl) | 1978-05-24 |
| JPS6053952B2 (ja) | 1985-11-28 |
| NL189485C (nl) | 1993-04-16 |
| US4144542A (en) | 1979-03-13 |
| NL189485B (nl) | 1992-11-16 |
| JPS5373912A (en) | 1978-06-30 |
| FR2371836B1 (cg-RX-API-DMAC10.html) | 1984-10-12 |
| DE2652936C3 (de) | 1980-11-27 |
| FR2371836A1 (fr) | 1978-06-16 |
| DE2652936B2 (de) | 1980-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19931121 |